add more

diff --git a/input/doc/firewall.mdwn b/input/doc/firewall.mdwn
index 5f71914..1037e81 100644 (file)
--- a/input/doc/firewall.mdwn
+++ b/input/doc/firewall.mdwn
@@ -32,6 +32,7 @@ In these cases we usually ask for the following setup:
   * man-da: 2001:41b8:202:deb::/64
   * sil: 2001:858:2:2::/64
   * ubcece: 2607:f8f0:610:4000::/64
+* allow all return traffic on tcp/udp/etc.
 
 Extra ports might be required for specific services.